Bashmakov, M Iu [The identification of the human functional state during night sleep by the heart rhythm indices]. [electronic resource] - Fiziologicheskii zhurnal imeni I.M. Sechenova - 43-7 p. digital Publication Type: English Abstract; Journal Article ISSN: 1027-3646 Subjects--Topical Terms: AdultAutonomic Nervous System--physiologyCircadian Rhythm--physiologyDiscriminant AnalysisHeart Rate--physiologyHumansMalePolysomnography--statistics & numerical dataRegression AnalysisSleep Stages--physiologyWakefulness--physiology